'Bound' in the Bible

We are bound to give thanks to God always to you, brethren, even as it is meet, for that your faith growth exceedingly, and the love of each one of you all toward one another aboundeth;

But we are bound to give thanks to God always for you, brethren beloved of the Lord, for that God chose you from the beginning unto salvation in sanctification of the Spirit and belief of the truth: